/Engine/Plugins/Runtime/Synthesis/Source/Synthesis/Classes/SynthComponents/SynthComponentMonoWaveTable.h
Set the curve tangent ("Curve depth" between keyframes) This should only be used for live-editing features! (changing the curves at runtime is expensive)
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Synth|Components|Audio") bool SetCurveTangent ( int32 TableIndex, float InNewTangent )